Adequate dietary protein is associated with better physical performance among post-menopausal women 60-90 years

L. Gregorio, J. Brindisi, A. Kleppinger, R. Sullivan, K. M. Mangano, Jessica Bihuniak, A. M. Kenny, J. E. Kerstetter, K. L. Insogna

Research output: Contribution to journalArticle

Abstract

Objectives: Sarcopenia, the involuntary loss of skeletal muscle with age, affects up to one-quarter of older adults. Evidence indicates a positive association between dietary protein intake and lean muscle mass and strength among older persons, but information on dietary protein's effect on physical performance in older adults has received less attention. Design: Cross-sectional observational analysis of the relationship of dietary protein on body composition and physical performance. Setting: Clinical research center. Participants: 387 healthy women aged 60-90 years (mean 72.7 ± 7.0 y). Measurements: Measures included body composition (fat-free mass, appendicular skeletal mass and fat mass) via dual x-ray absorptiometry (DXA), physical performance (Physical Performance Test [PPT] and Short Physical Performance Battery [SPPB]), handgrip strength, Physical Activity Scale in the Elderly (PASE), quality of life measure (SF-8), falls, fractures, nutrient and macromolecule intake (four-day food record). Independent samples t-tests determined mean differences between the above or below RDA protein groups. Statistical Analysis: Analysis of covariance was used to control for body mass index (BMI) between groups when assessing physical performance, physical activity and health-related quality of life. Results: The subjects consumed an average of 72.2 g protein/day representing 1.1 g protein/kg body weight/day. Subjects were categorized as below the recommended daily allowance (RDA) for protein (defined as less than 0.8 g protein/kg) or at or above the RDA (equal to or higher than 0.8 g protein/kg). Ninety-seven subjects (25%) were in the low protein group, and 290 (75%) were in the higher protein group. Women in the higher protein group had lower body mass, including fat and lean mass, and fat-to-lean ratio than those in the lower-protein group (p

Original languageEnglish (US)
Pages (from-to)155-160
Number of pages6
JournalJournal of Nutrition, Health and Aging
Volume18
Issue number2
DOIs
StatePublished - 2014

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Dietary Proteins
Proteins
Recommended Dietary Allowances
Fats
Body Composition
Quality of Life
Exercise
Sarcopenia
Food
Muscle Strength
Healthy Volunteers
Skeletal Muscle
Body Mass Index
Cross-Sectional Studies
Body Weight
X-Rays

Keywords

  • Body composition
  • Frailty
  • Physical performance
  • Protein

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics
  • Geriatrics and Gerontology

Cite this

Adequate dietary protein is associated with better physical performance among post-menopausal women 60-90 years. / Gregorio, L.; Brindisi, J.; Kleppinger, A.; Sullivan, R.; Mangano, K. M.; Bihuniak, Jessica; Kenny, A. M.; Kerstetter, J. E.; Insogna, K. L.

In: Journal of Nutrition, Health and Aging, Vol. 18, No. 2, 2014, p. 155-160.

Research output: Contribution to journalArticle

Gregorio, L, Brindisi, J, Kleppinger, A, Sullivan, R, Mangano, KM, Bihuniak, J, Kenny, AM, Kerstetter, JE & Insogna, KL 2014, 'Adequate dietary protein is associated with better physical performance among post-menopausal women 60-90 years', Journal of Nutrition, Health and Aging, vol. 18, no. 2, pp. 155-160. https://doi.org/10.1007/s12603-013-0391-2
Gregorio, L. ; Brindisi, J. ; Kleppinger, A. ; Sullivan, R. ; Mangano, K. M. ; Bihuniak, Jessica ; Kenny, A. M. ; Kerstetter, J. E. ; Insogna, K. L. / Adequate dietary protein is associated with better physical performance among post-menopausal women 60-90 years. In: Journal of Nutrition, Health and Aging. 2014 ; Vol. 18, No. 2. pp. 155-160.
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AU - Bihuniak, Jessica

AU - Kenny, A. M.

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